Home / 101,246.34-151,884.03-31,131.54

Finding the Fourth Proportional to 101,246.34, 151,884.03 and 31,131.54

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Solution

The fourth proportional to 101,246.34, 151,884.03 and 31,131.54 is: 46,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,246.34 : 151,884.03 = 31,131.54 : x
  2. Step 2: Convert to fraction form
    101,246.34/151,884.03 = 31,131.54/x
  3. Step 3: Cross multiply
    101,246.34x = 151,884.03 × 31,131.54
  4. Step 4: Simplify right side
    101,246.34x = 4,728,383,755.31
  5. Step 5: Solve for x
    x = 4,728,383,755.31/101,246.34
  6. Step 6: Final answer
    x = 46,701.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.